<?xml version="1.0" encoding="UTF-8"?>
<source>
  <jobs>
    <job>
      <externalid>647aab1e-986</externalid>
      <Title>BackEnd Engineer: Experiments</Title>
      <Description><![CDATA[<p><strong>About the Role</strong></p>
<p>This is a backend role (Python services + data-heavy systems) where you&#39;ll build and maintain services for experiment assignment, logging, and report generation. You&#39;ll improve scalability, performance, and reliability of experiment reporting pipelines, add product-facing features to the UI, and take technical ownership of projects.</p>
<p><strong>Responsibilities</strong></p>
<ul>
<li>Build and maintain backend services for experiment assignment, logging, and report generation</li>
<li>Improve scalability, performance, and reliability of experiment reporting pipelines</li>
<li>Add product-facing features to the UI to help users launch experiments and interpret results</li>
<li>Take technical ownership of projects: shape solutions, break down work, and drive execution with the team</li>
<li>Participate in a weekly on-call rotation (investigating occasional issues and answering internal questions)</li>
</ul>
<p><strong>Requirements</strong></p>
<ul>
<li>Strong experience building and owning production backend services in Python</li>
<li>Experience with monitoring, alerting, and debugging user-facing systems</li>
<li>Strong SQL skills and confidence working with data-heavy systems (metrics, logging, analytics)</li>
<li>Ability to ship maintainable software (tests, code review, incremental delivery)</li>
</ul>
<p><strong>Nice-to-have</strong></p>
<ul>
<li>Experience with experimentation systems, metrics platforms, or A/B testing workflows</li>
<li>Experience with PySpark and/or Databricks</li>
</ul>
<p><strong>Benefits</strong></p>
<ul>
<li>Unlimited vacation time</li>
<li>Fully remote team</li>
<li>Work from home stipend</li>
<li>Apple laptops provided for new employees</li>
<li>Training and development budget</li>
<li>Maternity &amp; Paternity leave for qualified employees</li>
<li>Base salary: $80k–$120k USD, depending on knowledge, skills, experience, and interview results</li>
<li>Stock options</li>
<li>Regular team offsites to connect and collaborate</li>
</ul>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>mid</Experiencelevel>
      <Workarrangement>remote</Workarrangement>
      <Salaryrange>$80k–$120k USD</Salaryrange>
      <Skills>Python, FastAPI, PostgreSQL, Plotly Dash, PySpark/Databricks, AWS, CloudWatch, Sentry, experimentation systems, metrics platforms, A/B testing workflows, PySpark, Databricks</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Constructor</Employername>
      <Employerlogo>https://logos.yubhub.co/j.com.png</Employerlogo>
      <Employerdescription>Constructor is a U.S. based company that has been in the market since 2019, building a next-generation platform for search and discovery in ecommerce.</Employerdescription>
      <Employerwebsite>https://apply.workable.com</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://apply.workable.com/j/9C931E93D0</Applyto>
      <Location></Location>
      <Country></Country>
      <Postedate>2026-03-09</Postedate>
    </job>
  </jobs>
</source>